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Finding the Fourth Proportional to 369,212.77, 554,975.22 and 243,659.83

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Solution

The fourth proportional to 369,212.77, 554,975.22 and 243,659.83 is: 366,252.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,212.77 : 554,975.22 = 243,659.83 : x
  2. Step 2: Convert to fraction form
    369,212.77/554,975.22 = 243,659.83/x
  3. Step 3: Cross multiply
    369,212.77x = 554,975.22 × 243,659.83
  4. Step 4: Simplify right side
    369,212.77x = 135,225,167,759.41
  5. Step 5: Solve for x
    x = 135,225,167,759.41/369,212.77
  6. Step 6: Final answer
    x = 366,252.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.